18641943

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 28096640

約数和(自身を除く): 9454697

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 613, 981, 1839, 3379, 5517, 10137, 19003, 30411, 57009, 66817, 171027, 200451, 601353, 2071327, 6213981, 18641943]

約数ペア:

[(1, 18641943), (3, 6213981), (9, 2071327), (31, 601353), (93, 200451), (109, 171027), (279, 66817), (327, 57009), (613, 30411), (981, 19003), (1839, 10137), (3379, 5517)]